Area and 2x2 Multiplication

Front

What is area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is 2x2 multiplication?

Back

2x2 multiplication refers to multiplying two numbers, each with two digits.

Front

What is the area of a rectangle that is 5 cm wide and 14 cm long?

Back

Area = 5 cm × 14 cm = 70 square centimeters.

Front

If a rectangle has an area of 60 square feet and a width of 5 feet, what is the length?

Back

Length = Area ÷ Width = 60 sq ft ÷ 5 ft = 12 ft.

Front

What is the product of 50 and 19?

Back

50 × 19 = 950.

Front

What is a reasonable estimate for 50 x 19?

Back

A reasonable estimate is 30, as it is close to the actual numbers.

Front

What is the area of a shaded region if the total area is 40 sq cm and the unshaded area is 6 sq cm?

Back

Shaded area = Total area - Unshaded area = 40 sq cm - 6 sq cm = 34 sq cm.

Front

What is the formula for finding the area of a square?

Back

Area = side × side.

Front

If a rectangle has a length of 10 cm and a width of 3 cm, what is its area?

Back

Area = 10 cm × 3 cm = 30 square centimeters.